71793680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{128203}}^1$

素因数の和:128223

約数の個数: 40

約数和(自身を含む): 190767552

約数和(自身を除く): 118973872

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 128203, 256406, 512812, 641015, 897421, 1025624, 1282030, 1794842, 2051248, 2564060, 3589684, 4487105, 5128120, 7179368, 8974210, 10256240, 14358736, 17948420, 35896840, 71793680]

約数ペア:

[(1, 71793680), (2, 35896840), (4, 17948420), (5, 14358736), (7, 10256240), (8, 8974210), (10, 7179368), (14, 5128120), (16, 4487105), (20, 3589684), (28, 2564060), (35, 2051248), (40, 1794842), (56, 1282030), (70, 1025624), (80, 897421), (112, 641015), (140, 512812), (280, 256406), (560, 128203)]